Rianna Williams
NPI 1700617446 · Marriage & Family Therapist · San Francisco, CA
Rianna Williams is a Marriage & Family Therapist provider in San Francisco, CA (NPI 1700617446).
Provider details
- NPI number
- 1700617446
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 147731 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-08-13
- Last updated
- 2024-08-13
- Certified
- 2024-08-13
Frequently asked questions
- What is Rianna Williams's NPI number?
- Rianna Williams's National Provider Identifier (NPI) is 1700617446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rianna Williams's specialty?
- Rianna Williams is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Rianna Williams located?
- Rianna Williams's practice location on file with NPPES is 580 California St Ste 1216, San Francisco, CA 94104-1071.
- What is Rianna Williams's phone number?
- The practice phone number listed in the NPPES registry for Rianna Williams is (415) 992-6155.
- Is Rianna Williams's NPI active?
- Yes — Rianna Williams's NPI (1700617446) is active in the NPPES registry as of the last update on 2024-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.